feat: error handling

evaluator/nixjit_context/src/lib.rs

@@ -205,7 +205,7 @@ impl Context {
         }
         let root = root.tree().expr().unwrap().downgrade(&mut self)?;
         self.resolve(root)?;
-        Ok(EvalContext::eval(&mut self, root)?.to_public(&mut HashSet::new()))
+        Ok(EvalContext::eval(&mut self, root)?.to_public())
     }
 }
 
@@ -361,6 +361,10 @@ impl EvalContext for Context {
         self.stack.pop().unwrap()
     }
 
+    fn lookup_stack<'a>(&'a self, offoset: usize) -> &'a Value {
+        todo!()
+    }
+
     fn lookup_with<'a>(&'a self, ident: &str) -> Option<&'a nixjit_eval::Value> {
         for scope in self.with_scopes.iter().rev() {
             if let Some(val) = scope.get(ident) {
@@ -406,15 +410,6 @@ impl EvalContext for Context {
 }
 
 impl JITContext for Context {
-    fn lookup_arg(&self, offset: usize) -> &nixjit_eval::Value {
-        let values = self.stack.last().unwrap();
-        &values[values.len() - offset - 1]
-    }
-
-    fn lookup_stack(&self, offset: usize) -> &nixjit_eval::Value {
-        todo!()
-    }
-
     fn enter_with(&mut self, namespace: std::rc::Rc<HashMap<String, nixjit_eval::Value>>) {
         self.with_scopes.push(namespace);
     }